[457] | 1 | // Copyright (c) Microsoft. All rights reserved.
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| 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information.
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| 3 |
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| 4 | #include <stdbool.h>
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| 5 | #include <stdlib.h>
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| 6 | #include "azure_macro_utils/macro_utils.h"
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| 7 | #include "azure_c_shared_utility/gballoc.h"
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| 8 | #include "azure_c_shared_utility/httpapiex.h"
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| 9 | #include "azure_c_shared_utility/optimize_size.h"
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| 10 | #include "azure_c_shared_utility/xlogging.h"
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| 11 | #include "azure_c_shared_utility/strings.h"
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| 12 | #include "azure_c_shared_utility/crt_abstractions.h"
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| 13 | #include "azure_c_shared_utility/vector.h"
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| 14 |
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| 15 | typedef struct HTTPAPIEX_SAVED_OPTION_TAG
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| 16 | {
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| 17 | const char* optionName;
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| 18 | const void* value;
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| 19 | }HTTPAPIEX_SAVED_OPTION;
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| 20 |
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| 21 | typedef struct HTTPAPIEX_HANDLE_DATA_TAG
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| 22 | {
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| 23 | STRING_HANDLE hostName;
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| 24 | int k;
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| 25 | HTTP_HANDLE httpHandle;
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| 26 | VECTOR_HANDLE savedOptions;
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| 27 | }HTTPAPIEX_HANDLE_DATA;
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| 28 |
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| 29 | MU_DEFINE_ENUM_STRINGS(HTTPAPIEX_RESULT, HTTPAPIEX_RESULT_VALUES);
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| 30 |
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| 31 | #define LOG_HTTAPIEX_ERROR() LogError("error code = %" PRI_MU_ENUM "", MU_ENUM_VALUE(HTTPAPIEX_RESULT, result))
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| 32 |
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| 33 | static int useGlobalInitialization = 0;
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| 34 |
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| 35 | HTTPAPIEX_RESULT HTTPAPIEX_Init(void)
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| 36 | {
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| 37 | HTTPAPIEX_RESULT result;
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| 38 |
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| 39 | /*Codes_SRS_HTTPAPIEX_21_045: [If HTTPAPIEX_Init is calling more than once, it shall initialize the HTTP by calling HTTAPI_Init only once, and return success for all calls.] */
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| 40 | if (useGlobalInitialization == 0)
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| 41 | {
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| 42 | /*Codes_SRS_HTTPAPIEX_21_044: [HTTPAPIEX_Init shall initialize the HTTP by calling HTTAPI_Init.] */
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| 43 | if (HTTPAPI_Init() == HTTPAPI_OK)
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| 44 | {
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| 45 | useGlobalInitialization++;
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| 46 | result = HTTPAPIEX_OK;
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| 47 | }
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| 48 | else
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| 49 | {
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| 50 | /*Codes_SRS_HTTPAPIEX_21_046: [If HTTAPI_Init, HTTPAPIEX_Init shall return HTTPAPIEX_ERROR.] */
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| 51 | result = HTTPAPIEX_ERROR;
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| 52 | }
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| 53 | }
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| 54 | else
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| 55 | {
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| 56 | useGlobalInitialization++;
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| 57 | result = HTTPAPIEX_OK;
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| 58 | }
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| 59 |
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| 60 | return result;
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| 61 | }
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| 62 |
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| 63 | void HTTPAPIEX_Deinit(void)
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| 64 | {
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| 65 | /*Codes_SRS_HTTPAPIEX_21_047: [HTTPAPIEX_Deinit shall de-initialize the HTTP by calling HTTAPI_Deinit.] */
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| 66 | useGlobalInitialization--;
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| 67 | if (useGlobalInitialization == 0)
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| 68 | {
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| 69 | HTTPAPI_Deinit();
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| 70 | }
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| 71 | }
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| 72 |
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| 73 | HTTPAPIEX_HANDLE HTTPAPIEX_Create(const char* hostName)
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| 74 | {
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| 75 | HTTPAPIEX_HANDLE result;
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| 76 | /*Codes_SRS_HTTPAPIEX_02_001: [If parameter hostName is NULL then HTTPAPIEX_Create shall return NULL.]*/
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| 77 | if (hostName == NULL)
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| 78 | {
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| 79 | LogError("invalid (NULL) parameter");
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| 80 | result = NULL;
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| 81 | }
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| 82 | else
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| 83 | {
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| 84 | /*Codes_SRS_HTTPAPIEX_02_005: [If creating the handle fails for any reason, then HTTAPIEX_Create shall return NULL.] */
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| 85 | HTTPAPIEX_HANDLE_DATA* handleData = (HTTPAPIEX_HANDLE_DATA*)calloc(1, sizeof(HTTPAPIEX_HANDLE_DATA));
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| 86 | if (handleData == NULL)
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| 87 | {
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| 88 | LogError("malloc failed.");
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| 89 | result = NULL;
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| 90 | }
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| 91 | else
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| 92 | {
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| 93 | /*Codes_SRS_HTTPAPIEX_02_002: [Parameter hostName shall be saved.]*/
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| 94 | handleData->hostName = STRING_construct(hostName);
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| 95 | if (handleData->hostName == NULL)
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| 96 | {
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| 97 | free(handleData);
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| 98 | LogError("unable to STRING_construct");
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| 99 | result = NULL;
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| 100 | }
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| 101 | else
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| 102 | {
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| 103 | /*Codes_SRS_HTTPAPIEX_02_004: [Otherwise, HTTPAPIEX_Create shall return a HTTAPIEX_HANDLE suitable for further calls to the module.] */
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| 104 | handleData->savedOptions = VECTOR_create(sizeof(HTTPAPIEX_SAVED_OPTION));
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| 105 | if (handleData->savedOptions == NULL)
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| 106 | {
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| 107 | STRING_delete(handleData->hostName);
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| 108 | free(handleData);
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| 109 | result = NULL;
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| 110 | }
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| 111 | else
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| 112 | {
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| 113 | handleData->k = -1;
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| 114 | handleData->httpHandle = NULL;
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| 115 | result = handleData;
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| 116 | }
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| 117 | }
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| 118 | }
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| 119 | }
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| 120 | return result;
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| 121 | }
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| 122 |
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| 123 | /*this function builds the default request http headers if none are specified*/
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| 124 | /*returns 0 if no error*/
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| 125 | /*any other code is error*/
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| 126 | static int buildRequestHttpHeadersHandle(HTTPAPIEX_HANDLE_DATA *handleData, BUFFER_HANDLE requestContent, HTTP_HEADERS_HANDLE originalRequestHttpHeadersHandle, bool* isOriginalRequestHttpHeadersHandle, HTTP_HEADERS_HANDLE* toBeUsedRequestHttpHeadersHandle)
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| 127 | {
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| 128 | int result;
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| 129 |
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| 130 |
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| 131 | if (originalRequestHttpHeadersHandle != NULL)
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| 132 | {
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| 133 | *toBeUsedRequestHttpHeadersHandle = originalRequestHttpHeadersHandle;
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| 134 | *isOriginalRequestHttpHeadersHandle = true;
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| 135 |
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| 136 | }
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| 137 | else
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| 138 | {
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| 139 | /*Codes_SRS_HTTPAPIEX_02_009: [If parameter requestHttpHeadersHandle is NULL then HTTPAPIEX_ExecuteRequest shall allocate a temporary internal instance of HTTPHEADERS, shall add to that instance the following headers
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| 140 | Host:{hostname} - as it was indicated by the call to HTTPAPIEX_Create API call
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| 141 | Content-Length:the size of the requestContent parameter, and use this instance to all the subsequent calls to HTTPAPI_ExecuteRequest as parameter httpHeadersHandle.]
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| 142 | */
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| 143 | *isOriginalRequestHttpHeadersHandle = false;
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| 144 | *toBeUsedRequestHttpHeadersHandle = HTTPHeaders_Alloc();
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| 145 | }
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| 146 |
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| 147 | if (*toBeUsedRequestHttpHeadersHandle == NULL)
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| 148 | {
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| 149 | result = MU_FAILURE;
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| 150 | LogError("unable to HTTPHeaders_Alloc");
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| 151 | }
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| 152 | else
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| 153 | {
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| 154 | char temp[22] = { 0 };
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| 155 | (void)size_tToString(temp, 22, BUFFER_length(requestContent)); /*cannot fail, MAX_uint64 has 19 digits*/
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| 156 | /*Codes_SRS_HTTPAPIEX_02_011: [If parameter requestHttpHeadersHandle is not NULL then HTTPAPIEX_ExecuteRequest shall create or update the following headers of the request:
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| 157 | Host:{hostname}
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| 158 | Content-Length:the size of the requestContent parameter, and shall use the so constructed HTTPHEADERS object to all calls to HTTPAPI_ExecuteRequest as parameter httpHeadersHandle.]
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| 159 | */
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| 160 | /*Codes_SRS_HTTPAPIEX_02_009: [If parameter requestHttpHeadersHandle is NULL then HTTPAPIEX_ExecuteRequest shall allocate a temporary internal instance of HTTPHEADERS, shall add to that instance the following headers
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| 161 | Host:{hostname} - as it was indicated by the call to HTTPAPIEX_Create API call
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| 162 | Content-Length:the size of the requestContent parameter, and use this instance to all the subsequent calls to HTTPAPI_ExecuteRequest as parameter httpHeadersHandle.]
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| 163 | */
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| 164 | if (!(
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| 165 | (HTTPHeaders_ReplaceHeaderNameValuePair(*toBeUsedRequestHttpHeadersHandle, "Host", STRING_c_str(handleData->hostName)) == HTTP_HEADERS_OK) &&
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| 166 | (HTTPHeaders_ReplaceHeaderNameValuePair(*toBeUsedRequestHttpHeadersHandle, "Content-Length", temp) == HTTP_HEADERS_OK)
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| 167 | ))
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| 168 | {
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| 169 | if (! *isOriginalRequestHttpHeadersHandle)
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| 170 | {
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| 171 | HTTPHeaders_Free(*toBeUsedRequestHttpHeadersHandle);
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| 172 | }
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| 173 | *toBeUsedRequestHttpHeadersHandle = NULL;
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| 174 | result = MU_FAILURE;
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| 175 | }
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| 176 | else
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| 177 | {
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| 178 | result = 0;
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| 179 | }
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| 180 | }
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| 181 | return result;
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| 182 | }
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| 183 |
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| 184 | static int buildResponseHttpHeadersHandle(HTTP_HEADERS_HANDLE originalResponsetHttpHeadersHandle, bool* isOriginalResponseHttpHeadersHandle, HTTP_HEADERS_HANDLE* toBeUsedResponsetHttpHeadersHandle)
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| 185 | {
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| 186 | int result;
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| 187 | if (originalResponsetHttpHeadersHandle == NULL)
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| 188 | {
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| 189 | if ((*toBeUsedResponsetHttpHeadersHandle = HTTPHeaders_Alloc()) == NULL)
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| 190 | {
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| 191 | result = MU_FAILURE;
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| 192 | }
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| 193 | else
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| 194 | {
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| 195 | *isOriginalResponseHttpHeadersHandle = false;
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| 196 | result = 0;
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| 197 | }
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| 198 | }
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| 199 | else
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| 200 | {
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| 201 | *isOriginalResponseHttpHeadersHandle = true;
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| 202 | *toBeUsedResponsetHttpHeadersHandle = originalResponsetHttpHeadersHandle;
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| 203 | result = 0;
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| 204 | }
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| 205 | return result;
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| 206 | }
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| 207 |
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| 208 |
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| 209 | static int buildBufferIfNotExist(BUFFER_HANDLE originalRequestContent, bool* isOriginalRequestContent, BUFFER_HANDLE* toBeUsedRequestContent)
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| 210 | {
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| 211 | int result;
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| 212 | if (originalRequestContent == NULL)
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| 213 | {
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| 214 | *toBeUsedRequestContent = BUFFER_new();
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| 215 | if (*toBeUsedRequestContent == NULL)
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| 216 | {
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| 217 | result = MU_FAILURE;
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| 218 | }
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| 219 | else
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| 220 | {
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| 221 | *isOriginalRequestContent = false;
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| 222 | result = 0;
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| 223 | }
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| 224 | }
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| 225 | else
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| 226 | {
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| 227 | *isOriginalRequestContent = true;
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| 228 | *toBeUsedRequestContent = originalRequestContent;
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| 229 | result = 0;
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| 230 | }
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| 231 | return result;
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| 232 | }
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| 233 |
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| 234 | static unsigned int dummyStatusCode;
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| 235 |
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| 236 | static int buildAllRequests(HTTPAPIEX_HANDLE_DATA* handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath,
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| 237 | HTTP_HEADERS_HANDLE requestHttpHeadersHandle, BUFFER_HANDLE requestContent, unsigned int* statusCode,
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| 238 | HTTP_HEADERS_HANDLE responseHttpHeadersHandle, BUFFER_HANDLE responseContent,
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| 239 |
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| 240 | const char** toBeUsedRelativePath,
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| 241 | HTTP_HEADERS_HANDLE *toBeUsedRequestHttpHeadersHandle, bool *isOriginalRequestHttpHeadersHandle,
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| 242 | BUFFER_HANDLE *toBeUsedRequestContent, bool *isOriginalRequestContent,
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| 243 | unsigned int** toBeUsedStatusCode,
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| 244 | HTTP_HEADERS_HANDLE *toBeUsedResponseHttpHeadersHandle, bool *isOriginalResponseHttpHeadersHandle,
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| 245 | BUFFER_HANDLE *toBeUsedResponseContent, bool *isOriginalResponseContent)
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| 246 | {
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| 247 | int result;
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| 248 | (void)requestType;
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| 249 | /*Codes_SRS_HTTPAPIEX_02_013: [If requestContent is NULL then HTTPAPIEX_ExecuteRequest shall behave as if a buffer of zero size would have been used, that is, it shall call HTTPAPI_ExecuteRequest with parameter content = NULL and contentLength = 0.]*/
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| 250 | /*Codes_SRS_HTTPAPIEX_02_014: [If requestContent is not NULL then its content and its size shall be used for parameters content and contentLength of HTTPAPI_ExecuteRequest.] */
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| 251 | if (buildBufferIfNotExist(requestContent, isOriginalRequestContent, toBeUsedRequestContent) != 0)
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| 252 | {
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| 253 | LogError("unable to build the request content");
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| 254 | result = MU_FAILURE;
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| 255 | }
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| 256 | else
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| 257 | {
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| 258 | if (buildRequestHttpHeadersHandle(handle, *toBeUsedRequestContent, requestHttpHeadersHandle, isOriginalRequestHttpHeadersHandle, toBeUsedRequestHttpHeadersHandle) != 0)
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| 259 | {
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| 260 | /*Codes_SRS_HTTPAPIEX_02_010: [If any of the operations in SRS_HTTAPIEX_02_009 fails, then HTTPAPIEX_ExecuteRequest shall return HTTPAPIEX_ERROR.] */
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| 261 | if (*isOriginalRequestContent == false)
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| 262 | {
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| 263 | BUFFER_delete(*toBeUsedRequestContent);
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| 264 | }
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| 265 | LogError("unable to build the request http headers handle");
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| 266 | result = MU_FAILURE;
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| 267 | }
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| 268 | else
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| 269 | {
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| 270 | /*Codes_SRS_HTTPAPIEX_02_008: [If parameter relativePath is NULL then HTTPAPIEX_INVALID_ARG shall not assume a relative path - that is, it will assume an empty path ("").] */
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| 271 | if (relativePath == NULL)
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| 272 | {
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| 273 | *toBeUsedRelativePath = "";
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| 274 | }
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| 275 | else
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| 276 | {
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| 277 | *toBeUsedRelativePath = relativePath;
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| 278 | }
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| 279 |
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| 280 | /*Codes_SRS_HTTPAPIEX_02_015: [If statusCode is NULL then HTTPAPIEX_ExecuteRequest shall not write in statusCode the HTTP status code, and it will use a temporary internal int for parameter statusCode to the calls of HTTPAPI_ExecuteRequest.] */
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| 281 | if (statusCode == NULL)
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| 282 | {
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| 283 | /*Codes_SRS_HTTPAPIEX_02_016: [If statusCode is not NULL then If statusCode is NULL then HTTPAPIEX_ExecuteRequest shall use it for parameter statusCode to the calls of HTTPAPI_ExecuteRequest.] */
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| 284 | *toBeUsedStatusCode = &dummyStatusCode;
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| 285 | }
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| 286 | else
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| 287 | {
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| 288 | *toBeUsedStatusCode = statusCode;
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| 289 | }
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| 290 |
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| 291 | /*Codes_SRS_HTTPAPIEX_02_017: [If responseHeaders handle is NULL then HTTPAPIEX_ExecuteRequest shall create a temporary internal instance of HTTPHEADERS object and use that for responseHeaders parameter of HTTPAPI_ExecuteRequest call.] */
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| 292 | /*Codes_SRS_HTTPAPIEX_02_019: [If responseHeaders is not NULL, then then HTTPAPIEX_ExecuteRequest shall use that object as parameter responseHeaders of HTTPAPI_ExecuteRequest call.] */
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| 293 | if (buildResponseHttpHeadersHandle(responseHttpHeadersHandle, isOriginalResponseHttpHeadersHandle, toBeUsedResponseHttpHeadersHandle) != 0)
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| 294 | {
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| 295 | /*Codes_SRS_HTTPAPIEX_02_018: [If creating the temporary http headers in SRS_HTTPAPIEX_02_017 fails then HTTPAPIEX_ExecuteRequest shall return HTTPAPIEX_ERROR.] */
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| 296 | if (*isOriginalRequestContent == false)
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| 297 | {
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| 298 | BUFFER_delete(*toBeUsedRequestContent);
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| 299 | }
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| 300 | if (*isOriginalRequestHttpHeadersHandle == false)
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| 301 | {
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| 302 | HTTPHeaders_Free(*toBeUsedRequestHttpHeadersHandle);
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| 303 | }
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| 304 | LogError("unable to build response content");
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| 305 | result = MU_FAILURE;
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| 306 | }
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| 307 | else
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| 308 | {
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| 309 | /*Codes_SRS_HTTPAPIEX_02_020: [If responseContent is NULL then HTTPAPIEX_ExecuteRequest shall create a temporary internal BUFFER object and use that as parameter responseContent of HTTPAPI_ExecuteRequest call.] */
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| 310 | /*Codes_SRS_HTTPAPIEX_02_022: [If responseContent is not NULL then HTTPAPIEX_ExecuteRequest use that as parameter responseContent of HTTPAPI_ExecuteRequest call.] */
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| 311 | if (buildBufferIfNotExist(responseContent, isOriginalResponseContent, toBeUsedResponseContent) != 0)
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| 312 | {
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| 313 | /*Codes_SRS_HTTPAPIEX_02_021: [If creating the BUFFER_HANDLE in SRS_HTTPAPIEX_02_020 fails, then HTTPAPIEX_ExecuteRequest shall return HTTPAPIEX_ERROR.] */
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| 314 | if (*isOriginalRequestContent == false)
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| 315 | {
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| 316 | BUFFER_delete(*toBeUsedRequestContent);
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| 317 | }
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| 318 | if (*isOriginalRequestHttpHeadersHandle == false)
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| 319 | {
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| 320 | HTTPHeaders_Free(*toBeUsedRequestHttpHeadersHandle);
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| 321 | }
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| 322 | if (*isOriginalResponseHttpHeadersHandle == false)
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| 323 | {
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| 324 | HTTPHeaders_Free(*toBeUsedResponseHttpHeadersHandle);
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| 325 | }
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| 326 | LogError("unable to build response content");
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| 327 | result = MU_FAILURE;
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| 328 | }
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| 329 | else
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| 330 | {
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| 331 | result = 0;
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| 332 | }
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| 333 | }
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| 334 | }
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| 335 | }
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| 336 | return result;
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| 337 | }
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| 338 |
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| 339 | HTTPAPIEX_RESULT HTTPAPIEX_ExecuteRequest(HTTPAPIEX_HANDLE handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath,
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| 340 | HTTP_HEADERS_HANDLE requestHttpHeadersHandle, BUFFER_HANDLE requestContent, unsigned int* statusCode,
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| 341 | HTTP_HEADERS_HANDLE responseHttpHeadersHandle, BUFFER_HANDLE responseContent)
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| 342 | {
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| 343 | HTTPAPIEX_RESULT result;
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| 344 | /*Codes_SRS_HTTPAPIEX_02_006: [If parameter handle is NULL then HTTPAPIEX_ExecuteRequest shall fail and return HTTPAPIEX_INVALID_ARG.]*/
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| 345 | if (handle == NULL)
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| 346 | {
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| 347 | result = HTTPAPIEX_INVALID_ARG;
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| 348 | LOG_HTTAPIEX_ERROR();
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| 349 | }
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| 350 | else
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| 351 | {
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| 352 | /*Codes_SRS_HTTPAPIEX_02_007: [If parameter requestType does not indicate a valid request, HTTPAPIEX_ExecuteRequest shall fail and return HTTPAPIEX_INVALID_ARG.] */
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| 353 | if (requestType >= MU_COUNT_ARG(HTTPAPI_REQUEST_TYPE_VALUES))
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| 354 | {
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| 355 | result = HTTPAPIEX_INVALID_ARG;
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| 356 | LOG_HTTAPIEX_ERROR();
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| 357 | }
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| 358 | else
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| 359 | {
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| 360 | HTTPAPIEX_HANDLE_DATA *handleData = (HTTPAPIEX_HANDLE_DATA *)handle;
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| 361 |
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| 362 | /*call to buildAll*/
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| 363 | const char* toBeUsedRelativePath;
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| 364 | HTTP_HEADERS_HANDLE toBeUsedRequestHttpHeadersHandle; bool isOriginalRequestHttpHeadersHandle;
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| 365 | BUFFER_HANDLE toBeUsedRequestContent; bool isOriginalRequestContent;
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| 366 | unsigned int* toBeUsedStatusCode;
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| 367 | HTTP_HEADERS_HANDLE toBeUsedResponseHttpHeadersHandle; bool isOriginalResponseHttpHeadersHandle;
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| 368 | BUFFER_HANDLE toBeUsedResponseContent; bool isOriginalResponseContent;
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| 369 |
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| 370 | if (buildAllRequests(handleData, requestType, relativePath, requestHttpHeadersHandle, requestContent, statusCode, responseHttpHeadersHandle, responseContent,
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| 371 | &toBeUsedRelativePath,
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| 372 | &toBeUsedRequestHttpHeadersHandle, &isOriginalRequestHttpHeadersHandle,
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| 373 | &toBeUsedRequestContent, &isOriginalRequestContent,
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| 374 | &toBeUsedStatusCode,
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| 375 | &toBeUsedResponseHttpHeadersHandle, &isOriginalResponseHttpHeadersHandle,
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| 376 | &toBeUsedResponseContent, &isOriginalResponseContent) != 0)
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| 377 | {
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| 378 | result = HTTPAPIEX_ERROR;
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| 379 | LOG_HTTAPIEX_ERROR();
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| 380 | }
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| 381 | else
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| 382 | {
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| 383 |
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| 384 | /*Codes_SRS_HTTPAPIEX_02_023: [HTTPAPIEX_ExecuteRequest shall try to execute the HTTP call by ensuring the following API call sequence is respected:]*/
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| 385 | /*Codes_SRS_HTTPAPIEX_02_024: [If any point in the sequence fails, HTTPAPIEX_ExecuteRequest shall attempt to recover by going back to the previous step and retrying that step.]*/
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| 386 | /*Codes_SRS_HTTPAPIEX_02_025: [If the first step fails, then the sequence fails.]*/
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| 387 | /*Codes_SRS_HTTPAPIEX_02_026: [A step shall be retried at most once.]*/
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| 388 | /*Codes_SRS_HTTPAPIEX_02_027: [If a step has been retried then all subsequent steps shall be retried too.]*/
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| 389 | bool st[3] = { false, false, false }; /*the three levels of possible failure in resilient send: HTTAPI_Init, HTTPAPI_CreateConnection, HTTPAPI_ExecuteRequest*/
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| 390 | if (handleData->k == -1)
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| 391 | {
|
---|
| 392 | handleData->k = 0;
|
---|
| 393 | }
|
---|
| 394 |
|
---|
| 395 | do
|
---|
| 396 | {
|
---|
| 397 | bool goOn;
|
---|
| 398 |
|
---|
| 399 | if (handleData->k > 2)
|
---|
| 400 | {
|
---|
| 401 | /* error */
|
---|
| 402 | break;
|
---|
| 403 | }
|
---|
| 404 |
|
---|
| 405 | if (st[handleData->k] == true) /*already been tried*/
|
---|
| 406 | {
|
---|
| 407 | goOn = false;
|
---|
| 408 | }
|
---|
| 409 | else
|
---|
| 410 | {
|
---|
| 411 | switch (handleData->k)
|
---|
| 412 | {
|
---|
| 413 | case 0:
|
---|
| 414 | {
|
---|
| 415 | if (useGlobalInitialization > 0)
|
---|
| 416 | {
|
---|
| 417 | /*Codes_SRS_HTTPAPIEX_21_048: [If HTTPAPIEX_Init was called, HTTPAPI_ExecuteRequest shall not call HTTPAPI_Init.] */
|
---|
| 418 | goOn = true;
|
---|
| 419 | }
|
---|
| 420 | else if (HTTPAPI_Init() != HTTPAPI_OK)
|
---|
| 421 | {
|
---|
| 422 | goOn = false;
|
---|
| 423 | }
|
---|
| 424 | else
|
---|
| 425 | {
|
---|
| 426 | goOn = true;
|
---|
| 427 | }
|
---|
| 428 | break;
|
---|
| 429 | }
|
---|
| 430 | case 1:
|
---|
| 431 | {
|
---|
| 432 | if ((handleData->httpHandle = HTTPAPI_CreateConnection(STRING_c_str(handleData->hostName))) == NULL)
|
---|
| 433 | {
|
---|
| 434 | goOn = false;
|
---|
| 435 | }
|
---|
| 436 | else
|
---|
| 437 | {
|
---|
| 438 | size_t i;
|
---|
| 439 | size_t vectorSize = VECTOR_size(handleData->savedOptions);
|
---|
| 440 | for (i = 0; i < vectorSize; i++)
|
---|
| 441 | {
|
---|
| 442 | /*Codes_SRS_HTTPAPIEX_02_035: [HTTPAPIEX_ExecuteRequest shall pass all the saved options (see HTTPAPIEX_SetOption) to the newly create HTTPAPI_HANDLE in step 2 by calling HTTPAPI_SetOption.]*/
|
---|
| 443 | /*Codes_SRS_HTTPAPIEX_02_036: [If setting the option fails, then the failure shall be ignored.] */
|
---|
| 444 | HTTPAPIEX_SAVED_OPTION* option = (HTTPAPIEX_SAVED_OPTION*)VECTOR_element(handleData->savedOptions, i);
|
---|
| 445 | if (HTTPAPI_SetOption(handleData->httpHandle, option->optionName, option->value) != HTTPAPI_OK)
|
---|
| 446 | {
|
---|
| 447 | LogError("HTTPAPI_SetOption failed when called for option %s", option->optionName);
|
---|
| 448 | }
|
---|
| 449 | }
|
---|
| 450 | goOn = true;
|
---|
| 451 | }
|
---|
| 452 | break;
|
---|
| 453 | }
|
---|
| 454 | case 2:
|
---|
| 455 | {
|
---|
| 456 | size_t length = BUFFER_length(toBeUsedRequestContent);
|
---|
| 457 | unsigned char* buffer = BUFFER_u_char(toBeUsedRequestContent);
|
---|
| 458 | if (HTTPAPI_ExecuteRequest(handleData->httpHandle, requestType, toBeUsedRelativePath, toBeUsedRequestHttpHeadersHandle, buffer, length, toBeUsedStatusCode, toBeUsedResponseHttpHeadersHandle, toBeUsedResponseContent) != HTTPAPI_OK)
|
---|
| 459 | {
|
---|
| 460 | goOn = false;
|
---|
| 461 | }
|
---|
| 462 | else
|
---|
| 463 | {
|
---|
| 464 | goOn = true;
|
---|
| 465 | }
|
---|
| 466 | break;
|
---|
| 467 | }
|
---|
| 468 | default:
|
---|
| 469 | {
|
---|
| 470 | /*serious error*/
|
---|
| 471 | goOn = false;
|
---|
| 472 | break;
|
---|
| 473 | }
|
---|
| 474 | }
|
---|
| 475 | }
|
---|
| 476 |
|
---|
| 477 | if (goOn)
|
---|
| 478 | {
|
---|
| 479 | if (handleData->k == 2)
|
---|
| 480 | {
|
---|
| 481 | /*Codes_SRS_HTTPAPIEX_02_028: [HTTPAPIEX_ExecuteRequest shall return HTTPAPIEX_OK when a call to HTTPAPI_ExecuteRequest has been completed successfully.]*/
|
---|
| 482 | result = HTTPAPIEX_OK;
|
---|
| 483 | goto out;
|
---|
| 484 | }
|
---|
| 485 | else
|
---|
| 486 | {
|
---|
| 487 | st[handleData->k] = true;
|
---|
| 488 | handleData->k++;
|
---|
| 489 | st[handleData->k] = false;
|
---|
| 490 | }
|
---|
| 491 | }
|
---|
| 492 | else
|
---|
| 493 | {
|
---|
| 494 | st[handleData->k] = false;
|
---|
| 495 | handleData->k--;
|
---|
| 496 | switch (handleData->k)
|
---|
| 497 | {
|
---|
| 498 | case 0:
|
---|
| 499 | {
|
---|
| 500 | /*Codes_SRS_HTTPAPIEX_21_049: [If HTTPAPIEX_Init was called, HTTPAPI_ExecuteRequest shall not call HTTPAPI_Deinit.] */
|
---|
| 501 | if (useGlobalInitialization == 0)
|
---|
| 502 | {
|
---|
| 503 | HTTPAPI_Deinit();
|
---|
| 504 | }
|
---|
| 505 | break;
|
---|
| 506 | }
|
---|
| 507 | case 1:
|
---|
| 508 | {
|
---|
| 509 | HTTPAPI_CloseConnection(handleData->httpHandle);
|
---|
| 510 | handleData->httpHandle = NULL;
|
---|
| 511 | break;
|
---|
| 512 | }
|
---|
| 513 | case 2:
|
---|
| 514 | {
|
---|
| 515 | break;
|
---|
| 516 | }
|
---|
| 517 | default:
|
---|
| 518 | {
|
---|
| 519 | break;
|
---|
| 520 | }
|
---|
| 521 | }
|
---|
| 522 | }
|
---|
| 523 | } while (handleData->k >= 0);
|
---|
| 524 | /*Codes_SRS_HTTPAPIEX_02_029: [Otherwise, HTTAPIEX_ExecuteRequest shall return HTTPAPIEX_RECOVERYFAILED.] */
|
---|
| 525 | result = HTTPAPIEX_RECOVERYFAILED;
|
---|
| 526 | LogError("unable to recover sending to a working state");
|
---|
| 527 | out:;
|
---|
| 528 | /*in all cases, unbuild the temporaries*/
|
---|
| 529 | if (isOriginalRequestContent == false)
|
---|
| 530 | {
|
---|
| 531 | BUFFER_delete(toBeUsedRequestContent);
|
---|
| 532 | }
|
---|
| 533 | if (isOriginalRequestHttpHeadersHandle == false)
|
---|
| 534 | {
|
---|
| 535 | HTTPHeaders_Free(toBeUsedRequestHttpHeadersHandle);
|
---|
| 536 | }
|
---|
| 537 | if (isOriginalResponseContent == false)
|
---|
| 538 | {
|
---|
| 539 | BUFFER_delete(toBeUsedResponseContent);
|
---|
| 540 | }
|
---|
| 541 | if (isOriginalResponseHttpHeadersHandle == false)
|
---|
| 542 | {
|
---|
| 543 | HTTPHeaders_Free(toBeUsedResponseHttpHeadersHandle);
|
---|
| 544 | }
|
---|
| 545 | }
|
---|
| 546 | }
|
---|
| 547 | }
|
---|
| 548 | return result;
|
---|
| 549 | }
|
---|
| 550 |
|
---|
| 551 |
|
---|
| 552 | void HTTPAPIEX_Destroy(HTTPAPIEX_HANDLE handle)
|
---|
| 553 | {
|
---|
| 554 | if (handle != NULL)
|
---|
| 555 | {
|
---|
| 556 | /*Codes_SRS_HTTPAPIEX_02_042: [HTTPAPIEX_Destroy shall free all the resources used by HTTAPIEX_HANDLE.]*/
|
---|
| 557 | size_t i;
|
---|
| 558 | size_t vectorSize;
|
---|
| 559 | HTTPAPIEX_HANDLE_DATA* handleData = (HTTPAPIEX_HANDLE_DATA*)handle;
|
---|
| 560 |
|
---|
| 561 | if (handleData->k == 2)
|
---|
| 562 | {
|
---|
| 563 | HTTPAPI_CloseConnection(handleData->httpHandle);
|
---|
| 564 | /*Codes_SRS_HTTPAPIEX_21_050: [If HTTPAPIEX_Init was called, HTTPAPI_Destroy shall not call HTTPAPI_Deinit.] */
|
---|
| 565 | if (useGlobalInitialization == 0)
|
---|
| 566 | {
|
---|
| 567 | HTTPAPI_Deinit();
|
---|
| 568 | }
|
---|
| 569 | }
|
---|
| 570 | STRING_delete(handleData->hostName);
|
---|
| 571 |
|
---|
| 572 | vectorSize = VECTOR_size(handleData->savedOptions);
|
---|
| 573 | for (i = 0; i < vectorSize; i++)
|
---|
| 574 | {
|
---|
| 575 | HTTPAPIEX_SAVED_OPTION* savedOption = (HTTPAPIEX_SAVED_OPTION*)VECTOR_element(handleData->savedOptions, i);
|
---|
| 576 | free((void*)savedOption->optionName);
|
---|
| 577 | free((void*)savedOption->value);
|
---|
| 578 | }
|
---|
| 579 | VECTOR_destroy(handleData->savedOptions);
|
---|
| 580 |
|
---|
| 581 | free(handle);
|
---|
| 582 | }
|
---|
| 583 | else
|
---|
| 584 | {
|
---|
| 585 | /*Codes_SRS_HTTPAPIEX_02_043: [If parameter handle is NULL then HTTPAPIEX_Destroy shall take no action.] */
|
---|
| 586 | }
|
---|
| 587 | }
|
---|
| 588 |
|
---|
| 589 | static bool sameName(const void* element, const void* value)
|
---|
| 590 | {
|
---|
| 591 | return (strcmp(((HTTPAPIEX_SAVED_OPTION*)element)->optionName, (const char*)value) == 0) ? true : false;
|
---|
| 592 | }
|
---|
| 593 |
|
---|
| 594 | /*return 0 on success, any other value is error*/
|
---|
| 595 | /*obs: value is already cloned at the time of calling this function */
|
---|
| 596 | static int createOrUpdateOption(HTTPAPIEX_HANDLE_DATA* handleData, const char* optionName, const void* value)
|
---|
| 597 | {
|
---|
| 598 | /*this function is called after the option value has been saved (cloned)*/
|
---|
| 599 | int result;
|
---|
| 600 |
|
---|
| 601 | /*decide bwtween update or create*/
|
---|
| 602 | HTTPAPIEX_SAVED_OPTION* whereIsIt = (HTTPAPIEX_SAVED_OPTION*)VECTOR_find_if(handleData->savedOptions, sameName, optionName);
|
---|
| 603 | if (whereIsIt != NULL)
|
---|
| 604 | {
|
---|
| 605 | free((void*)(whereIsIt->value));
|
---|
| 606 | whereIsIt->value = value;
|
---|
| 607 | result = 0;
|
---|
| 608 | }
|
---|
| 609 | else
|
---|
| 610 | {
|
---|
| 611 | HTTPAPIEX_SAVED_OPTION newOption;
|
---|
| 612 | if (mallocAndStrcpy_s((char**)&(newOption.optionName), optionName) != 0)
|
---|
| 613 | {
|
---|
| 614 | free((void*)value);
|
---|
| 615 | result = MU_FAILURE;
|
---|
| 616 | }
|
---|
| 617 | else
|
---|
| 618 | {
|
---|
| 619 | newOption.value = value;
|
---|
| 620 | if (VECTOR_push_back(handleData->savedOptions, &newOption, 1) != 0)
|
---|
| 621 | {
|
---|
| 622 | LogError("unable to VECTOR_push_back");
|
---|
| 623 | free((void*)newOption.optionName);
|
---|
| 624 | free((void*)value);
|
---|
| 625 | result = MU_FAILURE;
|
---|
| 626 | }
|
---|
| 627 | else
|
---|
| 628 | {
|
---|
| 629 | result = 0;
|
---|
| 630 | }
|
---|
| 631 | }
|
---|
| 632 | }
|
---|
| 633 |
|
---|
| 634 | return result;
|
---|
| 635 | }
|
---|
| 636 |
|
---|
| 637 | HTTPAPIEX_RESULT HTTPAPIEX_SetOption(HTTPAPIEX_HANDLE handle, const char* optionName, const void* value)
|
---|
| 638 | {
|
---|
| 639 | HTTPAPIEX_RESULT result;
|
---|
| 640 | /*Codes_SRS_HTTPAPIEX_02_032: [If parameter handle is NULL then HTTPAPIEX_SetOption shall return HTTPAPIEX_INVALID_ARG.] */
|
---|
| 641 | /*Codes_SRS_HTTPAPIEX_02_033: [If parameter optionName is NULL then HTTPAPIEX_SetOption shall return HTTPAPIEX_INVALID_ARG.] */
|
---|
| 642 | /*Codes_SRS_HTTPAPIEX_02_034: [If parameter value is NULL then HTTPAPIEX_SetOption shall return HTTPAPIEX_INVALID_ARG.] */
|
---|
| 643 | if (
|
---|
| 644 | (handle == NULL) ||
|
---|
| 645 | (optionName == NULL) ||
|
---|
| 646 | (value == NULL)
|
---|
| 647 | )
|
---|
| 648 | {
|
---|
| 649 | result = HTTPAPIEX_INVALID_ARG;
|
---|
| 650 | LOG_HTTAPIEX_ERROR();
|
---|
| 651 | }
|
---|
| 652 | else
|
---|
| 653 | {
|
---|
| 654 | const void* savedOption;
|
---|
| 655 | HTTPAPI_RESULT saveOptionResult;
|
---|
| 656 |
|
---|
| 657 | /*Codes_SRS_HTTPAPIEX_02_037: [HTTPAPIEX_SetOption shall attempt to save the value of the option by calling HTTPAPI_CloneOption passing optionName and value, irrespective of the existence of a HTTPAPI_HANDLE] */
|
---|
| 658 | saveOptionResult = HTTPAPI_CloneOption(optionName, value, &savedOption);
|
---|
| 659 |
|
---|
| 660 | if(saveOptionResult == HTTPAPI_INVALID_ARG)
|
---|
| 661 | {
|
---|
| 662 | /*Codes_SRS_HTTPAPIEX_02_038: [If HTTPAPI_CloneOption returns HTTPAPI_INVALID_ARG then HTTPAPIEX shall return HTTPAPIEX_INVALID_ARG.] */
|
---|
| 663 | result = HTTPAPIEX_INVALID_ARG;
|
---|
| 664 | LOG_HTTAPIEX_ERROR();
|
---|
| 665 | }
|
---|
| 666 | else if (saveOptionResult != HTTPAPI_OK)
|
---|
| 667 | {
|
---|
| 668 | /*Codes_SRS_HTTPAPIEX_02_040: [For all other return values of HTTPAPI_SetOption, HTTPIAPIEX_SetOption shall return HTTPAPIEX_ERROR.] */
|
---|
| 669 | result = HTTPAPIEX_ERROR;
|
---|
| 670 | LOG_HTTAPIEX_ERROR();
|
---|
| 671 | }
|
---|
| 672 | else
|
---|
| 673 | {
|
---|
| 674 | HTTPAPIEX_HANDLE_DATA* handleData = (HTTPAPIEX_HANDLE_DATA*)handle;
|
---|
| 675 | /*Codes_SRS_HTTPAPIEX_02_039: [If HTTPAPI_CloneOption returns HTTPAPI_OK then HTTPAPIEX_SetOption shall create or update the pair optionName/value.]*/
|
---|
| 676 | if (createOrUpdateOption(handleData, optionName, savedOption) != 0)
|
---|
| 677 | {
|
---|
| 678 | /*Codes_SRS_HTTPAPIEX_02_041: [If creating or updating the pair optionName/value fails then shall return HTTPAPIEX_ERROR.] */
|
---|
| 679 | result = HTTPAPIEX_ERROR;
|
---|
| 680 | LOG_HTTAPIEX_ERROR();
|
---|
| 681 |
|
---|
| 682 | }
|
---|
| 683 | else
|
---|
| 684 | {
|
---|
| 685 | /*Codes_SRS_HTTPAPIEX_02_031: [If HTTPAPI_HANDLE exists then HTTPAPIEX_SetOption shall call HTTPAPI_SetOption passing the same optionName and value and shall return a value conforming to the below table:] */
|
---|
| 686 | if (handleData->httpHandle != NULL)
|
---|
| 687 | {
|
---|
| 688 | HTTPAPI_RESULT HTTPAPI_result = HTTPAPI_SetOption(handleData->httpHandle, optionName, value);
|
---|
| 689 | if (HTTPAPI_result == HTTPAPI_OK)
|
---|
| 690 | {
|
---|
| 691 | result = HTTPAPIEX_OK;
|
---|
| 692 | }
|
---|
| 693 | else if (HTTPAPI_result == HTTPAPI_INVALID_ARG)
|
---|
| 694 | {
|
---|
| 695 | result = HTTPAPIEX_INVALID_ARG;
|
---|
| 696 | LOG_HTTAPIEX_ERROR();
|
---|
| 697 | }
|
---|
| 698 | else
|
---|
| 699 | {
|
---|
| 700 | result = HTTPAPIEX_ERROR;
|
---|
| 701 | LOG_HTTAPIEX_ERROR();
|
---|
| 702 | }
|
---|
| 703 | }
|
---|
| 704 | else
|
---|
| 705 | {
|
---|
| 706 | result = HTTPAPIEX_OK;
|
---|
| 707 | }
|
---|
| 708 | }
|
---|
| 709 | }
|
---|
| 710 | }
|
---|
| 711 | return result;
|
---|
| 712 | }
|
---|